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top speed
Questions about the F-16
Thread Starter:
martijno
Started:
04-16-2003 5:08 AM
Replies:
17
Community Server :: Forums
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Military Aviation
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Questions about the F-16
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top speed
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martijno
Joined on 08-14-2002
Posts 5
Re: Re:top speed
where did you get: Vsound in air = 331.4 + 0.6 Tc m/s?
The way i've learned the sound of minor pressure disturbances (so.. e.g. sound) is by this formula:
a = sqroot(yRT), where R = 287.05, T = temperature, and y (lamda) = 1.4
then you calculate the mach number by dividing the actual airspeed by this 'speed of sound':
M = V/a
So as you say, 'Vsound in air' is only a function of temperature, but i'm not sure whether 331.4 + 0.6Tc is correct.. it might be approximately correct but i'd advise to use the top formula.
Martijn Otten
website: http://www.aerospacepictures.com
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martijno
Joined on 08-14-2002
Posts 5
Re: Re:top speed
correction.. y = gamma :-)
Martijn
12 Mar 2006, 3:57 AM
King_Wakka
Joined on 12 Mar 2006
Australia
Posts 16
Re: top speed
who cares the F1-11 can do mach3
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